Princess names are a subject of fascination for us, one we last covered by detailing all the names of the next generation of little princesses, from Aiko to Eleonore.

Now, in honor of the newest princess by marriage, Catherine of Wales, we look at the names of women who, like fairy tale Cinderellas, became princesses when they married princes. Most of those listed here are contemporary princess in Europe and Japan, though there are historical examples too.

Okay, this might be a little premature, since the royal couple isn’t even married yet, let alone pregnant. But at Nameberry, it’s never too early to start offering our ideas.

There are certain limits, however, for even though PrincessAnne named her daughter Zara, and QueenElizabeth’s first great-grandchild was recently christened the Americanized Savannah, it’s pretty doubtful that Prince William and Princess-to-be Kate Middleton will go that far afield for the name of their first son or daughter. More than likely, they’ll reach back into royal history—but because British rulers typically use three or four middle names, they could slip in something less conventional for third or fourth choice. Not surprisingly, there’s more wiggle room for girls than boys.

Putting aside the most obvious options—such as Queen Mum and Grandmum name Elizabeth (also the middle name of Catherine Middleton herself) and Victoria and Mary and Anne, the royal couple would be staying within the prescribed lines if they considered any of the following names from British royal history:

Alexandrina. This unusual member of the ‘Alex” family of names was actually the real first name of QueenVictoria, and would make an interesting and unusual pick, even though five syllables is a bit much, especially when followed by several other appellations